Goland go modules11/13/2023 ![]() ![]() + /inconshreveable/mousetrap v1.0.0 // indirect + /hashicorp/golang-lru v0.5.4 // indirect + /hashicorp/go-immutable-radix v1.3.0 // indirect grpc-ecosystem/go-grpc-prometheus v1.2.0 grpc-ecosystem/go-grpc-middleware v1.0.0 GO111MODULE with Go 1.16Īs of Go 1.16, the default behavior is GO111MODULE=on, meaning that if you want to keep using the old GOPATH way, you will have to force Go not to use the Go Modules feature: Nothing with regards to GO111MODULE has changed with Go 1.15. You still need to use cd & GO111MODULE=on go get when you don’t want to mess up your current project’s go.mod (that’s so annoying).That has the tendency of breaking Gomock ( issue) which were unknowingly not using vendor/ before 1.14. The vendor/ is picked up automatically.Note that some slight changes in behaviors unrelated to GO111MODULE happened: The GO111MODULE variable has the same behavior as with Go 1.13. behaves like GO111MODULE=off in the GOPATH with no go.mod. ![]() So you can keep all your repositories in your GOPATH with Go 1.13. behaves like GO111MODULE=on anywhere there is a go.mod OR anywhere outside the GOPATH even if there is no go.mod.Using Go 1.13, GO111MODULE’s default ( auto) changes: If Go seems to behave the way you think it should, it is recommended to check whether, in the past, you have set the global configuration using go env -w GO111MODULE=on (or off): The “hidden” global configuration only known by go env using go env -w GO111MODULE=on (only available since Go 1.12).The environment variable in your shell, e.g.: export GO111MODULE=on. ![]() GO111MODULE can be set in two different ways: One of the first pain-points is that depending on the Go version, its semantics change. GO111MODULE is an environment variable that can be set when using go for changing how Go imports packages. One environment variable is responsible for 95% of this pain: GO111MODULE. Since then, the interaction between the ‘GOPATH behavior’ and the ‘Go Modules behavior’ has become one of the biggest gotchas of Go. Instead of using the GOPATH for storing a single git checkout of every package, Go Modules stores tagged versions with go.mod keeping track of each package’s version. Go Modules (previously called vgo – versioned Go) were introduced with Go 1.11. There was no versioning and the ‘master’ branch would represent a stable version of the package. Instead, go get would fetch all the sources by using their import paths and store them in $GOPATH/src. When Go was first introduced in 2009, it was not shipped with a package manager.
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